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A064756 n*10^n - 1. +0
1
9, 199, 2999, 39999, 499999, 5999999, 69999999, 799999999, 8999999999, 99999999999, 1099999999999, 11999999999999, 129999999999999, 1399999999999999, 14999999999999999, 159999999999999999, 1699999999999999999, 17999999999999999999 (list; graph; listen)
OFFSET

1,1

LINKS

Paul Leyland, Factors of Cullen and Woodall numbers

Paul Leyland, Generalized Cullen and Woodall numbers

CROSSREFS

Sequence in context: A157563 A003026 A157594 this_sequence A093708 A052145 A012061

Adjacent sequences: A064753 A064754 A064755 this_sequence A064757 A064758 A064759

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 19 2001

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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